compiled by Richard P. Smiraglia, Joshua A. Henry, Elizabeth Milonas and Sergey Zherebchevsky*
The maturity of a knowledge domain is often reflected in the generation of formal reference documentation. Nearly fifty years after the incorporation of the International Society for Knowledge Organization and the introduction of its formal scientific journal Knowledge Organization, a comprehensive encyclopedia of the domain appeared. The online Encyclopedia of Knowledge Organization (IEKO) is a dynamic, peer-reviewed effort to document the critical concepts underlying the domain of knowledge organization.
Smiraglia (2015a-b) pointed out that the practice of domain analysis for knowledge organization, twenty years after its introduction as a core methodology, had created the largest corpus of theoretical knowledge in the domain analysis of knowledge organization itself. A substantial body of research data therefore is available in the corpus of articles and conference papers reporting on the epistemological and ontological pillars of the science of knowledge organization.
Our team compiled a corpus of twenty-nine formal published analyses of KO together with key formative historical documents (corpus bibliography here). We then analyzed the corpus thematically, bibliographically and using co-word analysis, to extract key concepts and the underlying faceted conceptual infrastructure. Nine facets emerged; these are:
|Concepts, ideas, beliefs, theories|
Forty-four terms occurred in the upper tier of the frequency distribution; these are the core terms for the “base” taxonomy below. That is, these terms describe the domain of KO at a meta-level, and thus constitute not only the core of the domain’s ontology, but also a base on which to build a more extensive, dynamic, taxonomy. The terms appear below aligned with the nine facets.
The taxonomy itself is linked where possible to published definitions in the KO literature as well as to the IEKO. A dynamic project, the taxonomy will grow as emergent research contributes new concepts or generates new facets.
1.2 Update 27 June 2022
The origin, construction and maintenance of the FTKO is described in Smiraglia et al. 2020.
In February 2022 the clinic team met via Zoom to formulate a method for making periodic updates to the FTKO core taxonomy. We developed a domain analytical process by which we used co-word analysis of all content in the online IEKO to determine core concepts from the KO domain’s most formal representation. Using the Provalis ProSuite we were able to generate a list of fifteen new core terms to be placed in the taxonomy. The team first dispersed the terms by facet, then sought published definitions for them. The terms have now been added to complete the update of FTKO version 1.2, which now contains 59 terms.
Smiraglia, Richard P. 2015a. Domain Analysis for Knowledge Organization. Chandos Information Professional Series. Oxford: Elsevier/Chandos.
Smiraglia, Richard P. 2015b. “Domain Analysis of Domain Analysis for Knowledge Organization: Observations on an Emergent Methodological Cluster.” Knowledge Organization 42: 602-11.
Smiraglia, Richard P., Joshua Henry, Elizabeth Milonas, Chris Marchese and Sergey Zherebchevsky. 2020. “A Formal Taxonomy of Knowledge Organization: Meta-Analysis and Facet Analysis.” Knowledge Organization 47: 558-73. DOI:10.5771/0943-7444-2020-7- 558
2.0 Base Taxonomy
Denotes the domain analytical work within KO (Smiraglia and Lopez-Huertas 2015, 554) including domain analysis techniques, e.g. Citation Analysis, Co-word Analysis, Author Co-citation Analysis, Network Analysis, Cognitive Work Analysis (Smiraglia 2014a).
|Construction/structure||Construction – “… the construction of sets of terms (concepts) that are used in a specific community—or domain—mapped together with the relationships among them” (Smiraglia 2014a, 44).
Structure – “a general framework or structure within which KOS can be built” (46).
|Discourse||Discourse – the cultural action “by which language mediates knowledge” (Smiraglia 2014a, 27).
“Epistemology is the division of philosophy that investigates the nature and origin of knowledge. In philosophy at large, epistemology is central because it embraces the theory of knowledge itself. …The philosophical process engages a discourse in which skeptical challenges to any definition must be rebuked and therein lies the dilemma, for how can we study that which we cannot even define?” (20).
|Documentation (see also Document)||“Documentation was a set of techniques developed to manage significant (or potentially significant) documents, meaning, in practice, printed texts” (Buckland 1997).|
|Concepts/ideas/beliefs/theories||Boundary objects||“Terms used to pivot from one vocabulary to another”‘ (Smiraglia 2014, 99).|
|Concept||Concepts are the building blocks of thoughts (Stanford Encyclopedia of Philosophy 2019).
“A concept is a knowledge unit” (Dahlberg 2010, 2946).
“A concept is regarded as the common element of both classification systems and thesauri” (Dahlberg 1974, 12).
“…knowledge is made up of concepts; … concepts can be ordered in diverse and useful ways (Smiraglia 2013, 2).
“The meaning (i.e., intension) of a term is the concept associated with that term” (Harney 2013, 135).
“Concepts mean different things in different areas” (Hjørland 1997, 4).
|Epistemology||“Epistemology is the division of philosophy that investigates the nature and origin of knowledge. In philosophy at large, epistemology is central because it embraces the theory of knowledge itself. The central problems for epistemology are the definition of knowledge, and the means of its acquisition” (Smiraglia 2014a, 20)|
|Phenomenon/Phenomena||Phenomenon (singular); phenomena (plural) – “A fact or situation that is observed to exist or happen, especially one whose cause or explanation is in question. (LEXICO Dictionary 2019)|
|Specificity||“…the concept of specificity. The level of language to be employed is related to the intended functionality of the thesaurus.
Specificity is related to the intended audience. …the more formal the language the more specific and precise the terms must be…” (Smiraglia 2014a, 81).
|Theory||“Theory is a frequently‐tested (and thereby affirmed) statement of the interacting requirements of a phenomenon” (Smiraglia 2014a, 7)|
|Language||Language||Language – “A system which consists of a set of symbols (sentences) — realised phonetically by sounds — which are used in a regular order to convey a certain meaning. Apart from these formal characteristics, definitions of languages tend to highlight other aspects such as the fact that language is used regularly by humans and that it has a powerful social function.” (Small Dictionary of Linguistics)|
|Linguistics||Linguistics – “The study of language. (SmallDictionary of Linguistics)|
|Semantic [extension, intension]||Semantic – “Relating to meaning in language or logic” (LEXICO Dictionary 2019).
“Intension refers to the logical or definitional conditions that specify the set of all possible things a word or phrase could describe, while extension refers to the set of all actual things the word or phrase describes” (New World Encyclopedia 2018).
|Semiotic [sign]||Semiotic [theory] – “the description of the dynamic process of being in relation of any sort” (Smiraglia 2014a, 24). “Semiotic theory originated with American philosopher Charles Sanders Peirce” (23).
Semiotic [sign] – “For Peirce, the sign consists of three components. These are the Representamen, the Interpretant, and the Object. The representamen is the concept as signal, the interpretant is the concept as reception, and the object is the concept as perception” (24).
|Terminology||“The body of terms used with a particular technical application in a subject of study, profession, etc.” (LEXICO Dictionary 2019)|
|Material||Bibliography (list)(see also Bibliography (science)||Bibliography – “a list of the books referred to in a scholarly work, typically printed as an appendix.” (LEXICO Dictionary 2019)|
“a cultural, technological, and scholarly phenomenon that rests on the interplay of: (1) Technology: maximizing computation power and algorithmic accuracy to gather, analyze, link, and compare large data sets. (2) Analysis: drawing on large data sets to identify patterns in order to make economic, social, technical, and legal claims. (3) Mythology: the widespread belief that large data sets offer a higher form of intelligence and knowledge that can generate insights that were previously impossible, with the aura of truth, objectivity, and accuracy.” (Boyd and Crawford 2012, 633)
“Big data is a term describing the storage and analysis of large and or complex data sets using a series of techniques including, but not limited to: NoSQL, MapReduce and machine learning” (Ward and Barker 2013)
|Catalog||Catalog – a complete list of items, typically one in alphabetical or other systematic order (LEXICO Dictionary 2019).
Catalog – “retrieval tool; an organized compilation of bibliographic metadata or an organized set of surrogate records that represent the holdings of a particular collection and/or resources to which access may be gained …” (Joudrey and Taylor 2018, 625).
Library catalog – descriptive cataloging that applies a standardized set of rules, “currently RDA: Resource Description and Access, to record the title, authorship, and publication data for a work, describe the physical extent of the work, add bibliographic notes as necessary, and add access points for persons or entities associated with the creation of the work” (ALA 2019).
|Categories||Category – “a grouping of people or things by type in any systematic arrangement” (Cambridge Dictionary 2019).|
|Citation||Citation – “A quotation of or explicit reference to a source for substantiation, as in a scholarly paper” (YOUR Dictionary 2019).
Citation Indexing – (Carina de Araújo, Gutierres Castanha and Hjørland 2019).
“An ordered list of cited articles each of which is accompanied by a list of citing articles. The citing article is identified by a source citation, the cited article by a reference citation. The index is arranged by reference citations. Any source citation may subsequently become a reference citation. At the time of indexing, the article you are now reading would be considered a source. In that case it would appear in the citation index under all the reference citations in “References and notes” at the end of the article. It would also appear in the source index which accompanies the citation index proper” (Garfield 1964, 528).
|Classes (see also Divisions; Subdivisions)||
“Subdivisions of a classification scheme” (IFLA 2011, 89).
Entities ordered into groups “on the basis of their similarity” …. “The only basic rule is that the classes formed must be both exhaustive and mutually exclusive (Bailey 1994, 1,3).
“A list or database of terms in which all terms or phrases representing a concept are brought together. Often a preferred term or phrase is designated for use in surrogate records in a retrieval tool; the terms not to be used have references from them to the chosen term or phrase, and relationships (e.g., broader terms, narrower terms, related terms, etc.) among used terms are identified. There may also be scope notes to explain the terms and there may be hierarchical listings” (Taylor and Joudrey 2009, 450-1).
“Unprocessed information, which may be in the form of numbers (binary data, numerical data sets), text (facts, information without context), images, etc.” (Taylor and Joudrey 2009, 451).
“Data are information on properties of units of analysis” (Kaase 2001, 3251).IKEO: https://www.isko.org/cyclo/data
“The relation between data documents and knowledge organization primarily concerns metadata: how data documents should be described, indexed and classified. Secondarily, the concept of data document represents a kind of knowledge organization represented by different document types … data repository, data study, data set, software, data paper, database, database review, data handbook, data journal” (Schöpfel et al. 2020).
“Data papers are authored and citable articles in academic or scholarly journals. They are mostly, but not necessarily peer reviewed. Their main content is a description of published research datasets, along with contextual information about the production and the acquisition of the datasets, with the purpose to facilitate the findability, availability and reuse of research data; they are part of the research data management and crosslinked to data repositories” (Schöpfel et al. 2020).
|Divisions (see also Classes; Subdivisions)||
Categories of objects in classification schemes arranged “into groups based on characteristics, which the objects have in common” (OECD 2011).
“A classification is built up by a process of division, according to certain characteristics … each of these classes can then be further subdivided” (Hunter 1988, 34).
“[Such ] classification is hierarchical, proceeding from classes to divisions to subdivisions, and following a logic of subdivision” (Smiraglia 2014a, 62).
|Document (see also Documentation)||Document – “the physical container (an item) on which the text is recorded (Smiraglia 2001, 3).
Document – “an information-bearing message in recorded form” (Svenonius 2000, 8).
Document theory = (Buckland 2018)
“A preselected word or group of words that represents a key concept or topic in a document”) Baeza-Yates and Ribeiro-Neto 2011, 61-2.
“We therefore suggest that index term is limited to the meaning, which Baeza-Yates and Ribeiro-Neto defined for library and information science: a preselected word or group of words that represents a key concept or topic in a document (synonym to keyword, as presented below). Index term is a hypernym for subject heading, descriptor, derived index term, uniterm, keyword and tag.” (Lardero and Hjørland 2020).IEKO: https://www.isko.org/cyclo/indexing
|Information||Information is knowledge perceived. That is, what is contained in documents is potential information—it is recorded knowledge that may be consulted for whatever reason. But when that knowledge is consulted and is perceived by the human brain, information is the result …. Information is a process and not a thing. Information therefore, is dynamic and not static. Information is what happens to a person when knowledge is perceived, because that new perception alters the person’s previously existing knowledge-base. (Smiraglia 2014, 11)
Information – “something received or obtained through informing” (Svenonius 2000, 7).
|Metadata||“Metadata are descriptive terms that are applied to information resources, primarily for the purpose of facilitating retrieval” (Smiraglia, 2014a, 65).|
|Objects [artifacts, books, etc.]||“Information objects, including not only books in libraries, but also representations of artifacts in museums and archival entities, as well as scientific models, ontological structures, and so forth (Smiraglia 2008, 7).
Objects – ‘“boundary objects,” or terms used to pivot from one vocabulary to another”’ (Smiraglia 2014a, 99).
“The recorded factual material commonly accepted in the scientific community as necessary to validate research findings” (OMB Circular 110).
“Research data refers to the results of observations or experiments that validate your research findings. These span a range of useful materials associated with your research project, including: Raw or processed data files, Software, Code, Models, Algorithms, Protocols, Methods. Research data does not include text in manuscript or final published article form, or data or other materials submitted and published as part of a journal article” (“Sharing Research Data” 2022).
|Subdivisions (see also Classes; Divisions)||
“In Library and Information Science subdivision can be described as partitions ‘built in order to reflect independently existing divisions on the side of objects in the world (the subdivision of the animal kingdom into species and subspecies, the subdivision of heavenly bodies into galaxies, stars, planets, moons, etc.)'” (Bittner and Smith 2001).
“A word, group of words, or phrase used to identify the subject of a work. Subject headings are used to group together resources about the same subject under one standard heading. They are controlled vocabularies” (IFLA 2011).
|Taxonomy||“Taxonomy is a framework in which elements are defined, and categories are mutually exclusive and collectively exhaustive; …” (Smiraglia 2014a, 4).
“… a taxonomy is an ordered list of terms together with their definitions or other determinant characteristics. … the form and content of any taxonomy is dependent on the epistemology of the domain for which it has been developed. In the generic sense, meaning the assignment of phenomena to specific categories, taxonomy is a form of classification. … taxonomy a highly specific sort of ontology, that arrives along with the definitions of the characteristics of the phenomena involved, and that also includes certain kinds of relationships, such as genus-species, etc.” (51).
|Term||Term – “a generic term for a specific kind of recorded knowledge (Smiraglia 2014a, 70).
Term – “although a word may have several senses, only one of them is intended when it is used as a term. Hence, a word is a term only when it designates one of its possible meanings” (Riggs 179, 152).
“A term is a word or phrase used to denote a concept” (Pathak 2000, 29).
Terms – “In a specific discipline, items can be categorized and named as concepts of that discipline. The delimitation of knowledge into specific compartments is not easy, and as a result, in many fields of knowledge, specifically in the social sciences, where the same term is used in different discipline-specific contexts, the literature of that field provides the context in which a term is used and to which concept a term represents” (27)
“In both computer science and information we see the construction of sets of terms (concepts) that are used in a specific community—or domain—mapped together with the relationships among them” (Smiraglia 2014a, 44).
Terms – “boundary objects, or points of opportunity for creating interoperable neighboring vocabularies from shared ontologies” (99).
|Textbooks [object]||“An instantiation of a work” … whenever the work is manifest in physical form (in a book, for example).”
|Text||“A text is a set of semantic strings that communicate ideational content” (Smiraglia 2014a, 70).
“… the set of words that constitute a writing. A text is not the same as a document, which is the physical container
(an item) on which the text is recorded. A document may have only one text, but a text may appear on many documents.”
Text, then, is another generic term that denotes the communicative aspect of the evidentiary value of a document.”
(Smiraglia 2001, 3).
|Thesaurus||“A thesaurus is a complete knowledge organization system structured in natural language instead of according to its ontological construct. That is, the elements in a thesaurus are given in alphabetical order. Each term is then accompanied by a set of relational indicators that show its place in the overall hierarchy. Thesauri can be faceted, when terms from several facets are chosen and entered into a system in a string. Thesauri increasingly are multi-lingual to accommodate complex cultural demands” (Smiraglia 2014a, 79).
Thesaurus (for information retrieval) – Dextre Clarke 201
“Automatic techniques for linguistic data processing” (Stevens 1965, 1).
|Bibliography [science]||“The term bibliography can have two definitions: there is bibliography itself, an activity,, and there is a bibliography, the product of this activity. Bibliographies generally belong to two groups, one concerned with the listing of books and other documents, the other concerned primarily with the study of books as physical objects. … It includes two specialities called systematic and enumerative bibliography … The second group is concerned with the study of books as physical objects … The several overlapping specialities in this side of the field include analytical bibliography, concerned with the ways in which specific books as physical objects were produced; textual bibliography, which uses these findings in the important work of establishing authenticity of content; and historical bibliography, which considers the relationships between a civilization and its books …. [The two groups} usefully come together … most conspicuously in descriptive bibliography, concerned with the specification of particulars, based on the methods of analytical bibliography. (Krummel 1984, 4-5).
“It was around 1439 that Gutenberg created the mechanisms for printing from movable type that were to revolutionize the printing of books. We are looking, then, at the flowering of the marketplace for books only a bit more than a century after this remarkable invention. It was the need of the marketplace that drove the development of more sophisticated forms of bibliography. (Smiraglia 2014a, 35)
“By the middle of the twentieth century Clapp ( 1950 ) was writing that bibliography was one of the arts of communication found at a second level of utterance, treating prior records of communication, and in need of patterns of effective arrangement …. In the same volume, Jesse Shera and Margaret Egan referred to social role of bibliography as part of the problem of inter and between group communication (1950, 17)(Smiraglia 2014a, 40).
|Classification||Classification – “the systematic ordering of knowledge” (Smiraglia 2014a, 48).
Classification – “the placing of subjects into categories; in organization of information, classification is the process of determining where an information resource fits into a given hierarchy and then assigning the notation associated with the appropriate level of the hierarchy to the information resource and to its metadata” (Joudrey and Taylor 2018, 626).
Classification – (Hjørland 2017a)
|Classification [typology]||“Classifications of characteristics of phenomena, and these need not be mutually exclusive nor collectively exhaustive” (Smiraglia 2014a, 53).
“The term typology is used for the same sort of arrangement when the entities involved are called types instead of
taxa. Typologies are used in anthropology, archaeology, linguistics, theology, and psychology. In most instances, typologies are less robust scientifically than taxonomies, which means a type is assigned based on empirical observation but always is subject to change given analysis from future observations” (53).
Classification – (Hjørland 2017a)
|Indexing||Indexing – “intellectual analysis of the subject matter of a document (2.15) to identify the concepts (2.11) represented in it, and allocation of the corresponding index terms (2.26) to allow the information to be retrieved” (ISO 2011, 5)
The process of creating surrogate records, especially the access points for information packages; such work done in commercial enterprises is often called indexing, while similar work done in not-for-profit agencies is usually called cataloging (Taylor 1999, 244).
Indexing: Concepts and theory – (Hjørland 2018)
|Method||Method – “a systematic procedure, technique, or mode of inquiry employed by or proper to a particular discipline or art.”
Merriam-Webster Dictionary. 2019)
|Ontology||Ontology – “a domain of thought in philosophy. In philosophy ontology is the study of being—of what is. … ontology allows us to isolate certain principles of physical vs. metaphysical, of categories and the entities that are their contents, of the relationships among all of the above, of attributes of phenomena such as facts, properties, energy, space, time, etc.” (Smiraglia 2014a, 43).|
“A representation of the intellectual content of collected and recorded resources … result[ing] from subject indexing and classification activities” (IFLA 2011, 6).
“The process of creating document representations (sometimes called “references” or “surrogates”) is called indexing and the actual terms and phrases used to represent a document are called indexing descriptors” (Blair 1986, 229).
“The main approach to subject access is a top-down division of “the universe of knowledge” according to some rational principles (Hjørland and Nielsen 2001, 254).IEKO: https://www.isko.org/cyclo/sap
“… is the process used for describing the subject matter of documents. Subject indexing involves assigning terms to represent what the document is about.” (Librarianship Studies and Information Technology 2019).
“According to the current ISO indexing standard (ISO 5963:1985, confirmed in 2008, International Organization for Standardization 1985), subject indexing performed by the information professional is defined as a process involving three steps: (1) determining the → subject content of a document; (2) a conceptual analysis to decide which aspects of the content should be represented; and, (3) translation of those concepts or aspects into a controlled vocabulary (CV)” (Golub 2019).
|Of Being||Knowledge||Knowledge – “that which is known” (Smiraglia 2014a, 3).|
|People/living things||Persons and institutions in KO||Class 92 covers selected items of knowledge organization literature. It is found in the cumulative database of International Society for Knowledge Organization (ISKO 2019).|
|Actors||Principal actors in the domain – knowledge producers and knowledge users (Smiraglia 2014a, 16).|
|Author||In the context of domain analysis – a producer of knowledge (Smiraglia, 2014a, 16). The primary metric for measuring the scientific productivity of an author in domain analysis techniques, e.g. Citation Analysis, Author Co-citation Analysis.|
|Entities||“Whatever we consider to be the most basic element of reality, we deem to be things or, more formally, entities” (Bean and Green 2001, 3).
Entity – “a term used in the field of knowledge organization to indicate an item; both “entity” and “item” are used in order to avoid using “book” or other such specific designation” (Taylor 1999, 242).
“A bibliographic entity is a unique instance of recorded knowledge (e.g., a dissertation, a novel, a symphony, etc.)” (Smiraglia 2001, 2).
|Society||Domain (see also Analysis)||“A domain is a group that shares an ontology, undertakes common research or work, and also engages in discourse or communication, formally or informally” (Smiraglia 2014a, 85). “A domain is best understood as a unit of analysis for the construction of a KOS” (86).|
|Social||In the context of knowledge organization, the “social” refers to “the confluence of art, commerce, and technology… [that] come together at important moments to act as a collective catalyst to move the domain forward (Smiraglia 2014a, 33). In KO, the prevailing point of view is that “the growth of knowledge over the whole course of human history” (34) and the way knowledge is organized is shaped by the social realities of the world.|
|Disciplines||Discipline – (Hammarfeldt 2019)
|Subject||Subject – one of “the attributes of a given bibliographic condition… such as “origin” or “subject” the better to define the intension of each set over against the intensions of the other sets” (Smiraglia 2014a, 13).
Subject (of document) (Hjørland 2017c)
|Systems||Universal classification||Universal classification – “one that applies the same approach and terminology across domains” (Szostak 2014, 161).
Universal classification – “should be considered the sum of a number of domain specific systems (birds, cars, countries, religions, sciences, etc.).” (Hjørland 2017 447).
Universal classification – “… bibliographic classifications such as the Dewey Decimal Classification or the Universal Decimal Classification” (Smiraglia 2014a, 52).
2.1 Alphabetical list of terms
|person and institutions in KO|
3.0 Taxonomic References
American Library Association (ALA). 2019. “Descriptive Cataloging.” https://libguides.ala.org/catalogingtools/descriptive
Baeza-Yates, Ricardo and Berthier Ribeiro-Neto. 2011. Modern Information Retrieval: The Concepts and Technology Behind Search, 2nd ed. New York: Addison Wesley.
Bailey, Kenneth D. 1994. Typologies and Taxonomies: An Introduction to Classification Techniques. Thousand Oaks, Calif.: SAGE.
Bean, Carol A. and Rebecca Green. 2001. Relationships in the Organization of Knowledge. Dordrecht: Springer Netherlands.
Bittner, T., and B. Smith. 2001. “A Taxonomy of Granular Partitions.” Lecture Notes in Computer Science 2205: 28-43. https://www.qrg.northwestern.edu/papers/Files/Bittner_Smith_Taxonomy_granular_partitions.pdf
Blair, David C. 1986. “Indeterminacy in the Subject Access to Documents.” Information Processing and Management 22: 229-41.
Boyd, Danah and Kate Crawford. 2012. “Critical Questions for Big Data: Provocations for a Cultural, Technological, and Scholarly Phenomenon.” Information, Communication & Society 15: 662-79.
Buckland, Michael. 1997. What is a “Document”? http://people.ischool.berkeley.edu/~buckland/whatdoc.html
Cambridge Dictionary. 2019. S.v., “Category.” https://dictionary.cambridge.org/us/dictionary/english/category
Carina de Araujo, Paula, Renata Cristina Gutierres Castanha and Birger Hjørland. 2019. “Citation Indexing.” ISKO Encyclopedia of Knowledge Organization https://www.isko.org/cyclo/citation
Clapp, Verner W. 1950. “The Role of Bibliographic Organization in Contemporary Civilization.” In Shera, Jesse H. & Egan, Margaret E. eds. Bibliographic Organization: Papers Presented before the Fifteenth Annual Conference of the Graduate Library School July 24–29, 1950 . Chicago: Univ. of Chicago Press, 3–23.
Dahlberg Ingetraut. 1974. “Zur Theorie des Begriffs [Towards a theory of the concept].” International Classification 1: 12-19.
Dahlberg, Ingetraut. 2010. “International Society for Knowledge Organization (ISKO).” In Encyclopedia of Library and Information Science, 3rd ed. Boca Raton, Fla.: Taylor & Francis, 2941-49.
Dextre Clarke, Stella. 2019. “Thesaurus (for information retrieval).” Knowledge Organization 46: 439-59.
Garfield, Eugene. 1964. “‘Science Citation Index’–A New Dimension in Indexing.” Science 144, no. 3619: 649-654. Reprinted in Essays of an Information Scientist. Philadelphia: ISI Press, 1984. Vol 7: 525-535.
Golub, Koraljka. 2019. “Automatic Subject Indexing of Text.” In ISKO Encyclopedia of Knowledge Organization. https://www.isko.org/cyclo/automatic#2
Hammarfeldt, Bjørn. 2019. “Discipline.” ISKO Encyclopedia of Knowledge Organization https://www.isko.org/cyclo/discipline
Harney M. J. 2013. Intentionality, Sense and the Mind. Phaenomenologica 94. [Berlin/Heidelberg]: Springer Science & Business Media.
Hjørland, Birger. 1997. Information Seeking and Subject Representation: An Activity-Theoretical Approach to Information Science. Westport, CT.: Greenwood Press.
Hjørland, Birger. 2017c. “Classification”. Knowledge Organization 44: 97-128
Hjørland, Birger. 2017b. “Domain Analysis.” Knowledge Organization 44: 436-464.
Hjørland, Birger. 2017c. “Subject (of Documents).” Knowledge Organization 44: 55-64
Hjørland, Birger. 2018. “Indexing: Concepts and Theory.” Knowledge Organization 45: 609-39.
Hjørland, Birger and Lykke Kyllesbech Nielsen. 2001. “Subject access points in electronic retrieval.” Annual Review of Information Science and Technology 35. https://www.researchgate.net/publication/234772307_Subject_Access_Points_in_Electronic_Retrieval
Hunter, Eric J. 1988. Classification Made Simple. Aldershot: Gower.
IFLA Classification. 2011. Guidelines for Subject Matter Access in National Bibliographies. https://www.ifla.org/wp-content/uploads/2019/05/assets/classification-and-indexing/subject-access-by-national-bibliographic-agencies/nba-guidelines-for-approval.pdf
International Society for Knowledge Organization (ISKO). 2019. “Knowledge Organization Literature.” https://www.isko.org/lit.html ISO 25964-1:2011.
International Organization for Standardization. 2011. “Thesauri and Interoperability with other Vocabularies – Part 1: Thesauri for Information Retrieval.” http://www.iso.org/iso/catalogue_detail.htm?csnumber=53657
Joudrey, Daniel N. and Arlene G. Taylor. 2018. The Organization of Information. 4th ed., with the assistance of Katherine M. Wisser. Library and Information Science Series Text. Santa Barbara, Calif.: Libraries Unlimited.
Kaase, Max. 2001. ”Databases, Core: Political Science and Political Behavior.” In International Encyclopedia of the Social and Behavioral Sciences, ed. Neil J. Smelser and Paul B. Baltes. Amsterdam: Elsevier, Vol. 5, 3251.
Krummel, D.W. 1984. Bibliographies: Their Aims and Methods. New York: Mansell.
Lardero, Marco and Birger Hjørland. 2020. “Keyword.” In ISKO Encyclopedia of Knowledge Organization. (https://www.isko.org/cyclo/keyword#1.1.2)
LEXICO Dictionary. 2019. S.v., “Catalog.” https://www.lexico.com/en/definition/catalogue
LEXICO Dictionary. 2019. S.v., “Phenomenon.” https://www.lexico.com/en/definition/phenomenon
LEXICO Dictionary. 2019. S.v., “Semantic.” https://www.lexico.com/en/definition/semantic
LEXICO Dictionary. 2019. S.v., “Terminology.” https://www.lexico.com/en/definition/terminology
Librarianship Studies and Information Technology. 2019. S.v., “Subject indexing process.” https://www.librarianshipstudies.com/2016/05/subject-indexing-process.html
Merriam-Webster Dictionary. 2019. S.v., “Method.” https://www.merriam-webster.com/dictionary/method
New World Encyclopedia. 2018. S.v., “Intension and Extension.” https://www.newworldencyclopedia.org/entry/Intension_and_Extension
OECD Glossary of Statistical Terms. 2011. S.v., “Classification Scheme.” https://stats.oecd.org/glossary/detail.asp?ID=358
OMB Circular 110. 1999. Washington, D.C.: Office of Management and Budget. (https://obamawhitehouse.archives.gov/omb/circulars_a110/#36)
Pathak, Lalit. 2000. “Concept-Term Relationship and a Classified Schedule of Isolates for the Term ‘Concept.’” Knowledge Organization 27: 27-34.
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*Richard P. Smiraglia is Senior Fellow, Institute for Knowledge Organization and Structure, Inc. Joshua A. Henry is Description & Access Librarian, The University of Oklahoma, Norman, OK, and Associate Fellow of IKOS. Elizabeth Milonas is Assistant Professor, New York City College of Technology (CUNY) and Associate Fellow of IKOS. Sergey Zherebchevsky is PhD candidate, Long Island University and Associate Fellow of IKOS.
Version 1.1. Published 3 February 2021.
Version 1.2 Published 27 June 2022.
©2022 Institute for Knowledge Organization and Structure, Inc. All rights reserved.
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